Your First Engine Job - Tearing Into It's Guts. Pistons And Rod Removal And Inspection
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Published 2023-01-20
Here's the general procedure for piston and rod removal and inspection as well as some of the clues to the engines history be reading the parts as we proceed.
#classiccar #engines #diy #autorepair
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All Comments (21)
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The washing of the cylinders by gasoline could have been caused by multiple Issues for example it could have had a bad fuel injector that staying open it could have a bad fuel pressure regulator..These 4.0 engines are also known for having oiling issues on cylinder #6 my dad has blown up 2 of these engines and both cylinder 6s were ran Without oil somehow I think it's just the bad design of this engine or a flaw perhaps in the oiling ...?
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Making a video or group of videos that give a semi detailed instruction to engine tear down, rebuild and reassembly is a daunting task.
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An easy trick to not lose parts or fasteners is to minimize the time between tear down and reassembly
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It's funny because I even feel like I'm fancy and cheating if I use a speedwrench over a rachet. Haha. Also, with the tapping piston assemblies out, I use the wooden handle end of my ball pein hammer so there's no chance of damage. Granted, now after 33 years, the handle is splintered to hell now. Haha.
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I usually number stamp my rod caps and main caps. That's was what my grandpa use to do.
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There are some interviews here on YouTube with one of the cylinder head engineers for this engine. He mentioned that the straight 6 was the most profitable engine in Chrysler's history. Part of that profitability was the use of the cheapest cast pistons possible. This engine greatly benefits from a nice set of 4032 forgings or hypereutectics.
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I use a sheet of cardboard marked front/back and driver/passenger when I have to keep track of bolts. Just pop them through in order and it's easy to keep track.
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Love the slow pace of these videos. For a guy who knows FA about stuff like this, it's fascinating.
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In high school autoshop, we stamped cylinder numbers on each cap, rod, piston and in such a way we had a reference to not reverse them - they went back in the exact sample places and orientaion. Values were kept in a wooden jig with numbered holes/boxes to hold each valve with their rocker and springs.
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Took a class at my local community college where I learned about this process. Was able to dig into a bunch of new engines, and learned a lot of really good stuff. Now I am about to start in on my 1966 Cadillac CDV. Been looking at her in the garage for months, and I do believe the time is near for our relationship to grow =) Thank you or these videos!
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Tony, The best auto shop teacher you never had! Lol. Your stuff is wonderful Tony. You instruct but you entertain at the same time. What a great personality. Thanks, Dave
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Hey Tony. Better to sit and watch each step as it comes (even if it is in silence) than to just explain in a general way, without showing the procedure. I much prefer your way, over some others who really don't want to show too much, and seem to like the sound of their own voice. Keep doing good!!!
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There seems to be a lost art these days in using hand tools. I try to use them when I can as well. Thank you for your content UTG!
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An alternative to pounding down the pistons is to use a piece of woodstick. Hickory is hard and nice, and will not make any dents regardless.
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Classic case of muffler belt too loose causing the timing regulator to over stimulate the carbinator thus the #6 piston failure.
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These episodes are released exactly a month behind my first tear down and rebuild process, step for step. Feels like uncle Tony is grading me every step of the way
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Just finished tearing my engine apart. Aside from a rust ridge on cylinder 1 it's surprisingly good for sitting open in a junkyard for 6 months. It's so caked in old oil that it protected everything. Even the bearings show minor wear.
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I just did a 2.3 Ranger engine that drove into the shop. The piston skirt and rings were laying in the bottom of the pan. Ended up doing a hone job on it and a new set of pistons rings and bearings.
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I had an uncle named Tony, he was an ol school gear head like you and he rode a triumph and drove a 60 Impala, he passed away in a car accident as a passenger, RIP T-bone
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When you said "Just use an airgun !" I laughed. My OCD was saying the exact same thing ! Lol
